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NR-4674  Escherichia coli, Shiga Toxin Type 1 Toxoid, Chemically Inactivated
(Toxins)
Price: All BEI Resources products are provided
at no cost to registered researchers.
Description: Shiga Toxin Type 1 Toxoid, Chemically Inactivated
Organism: Escherichia coli
Biosafety Level: 1
Availability Status: In Stock
Store at: -70°C or colder
Contributor: AD O'Brien, JF Sinclair
Comments:
Quantity limit per order for this item is 1. This item can be ordered twice a year. Orders over this limit will be sent to NIAID for approval before shipment.

Recombinant Shiga toxin type 1 (Stx1) was expressed in Escherichia coli, purified by affinity chromatography, and chemically inactivated with formaldehyde. The recombinant toxin has a theoretical molecular weight of approximately 32053 daltons for subunit A and 7691 daltons for subunit B.

Each vial of NR-4674 contains approximately 8 µg of chemically inactivated Stx1 toxoid suspended in PBS (pH 7.4).

NR-4674 reacts with rabbit polyclonal antibody to Stx1 and is not cytotoxic to Vero cells at concentrations over 2 logs greater than the CD50 of recombinant Stx1.
Citations: Acknowledgment for publications should read "The following reagent was obtained through BEI Resources, NIAID, NIH: Shiga Toxin Type 1 Toxoid, Chemically Inactivated, NR-4674."
PERMITS
For a list of permits that may be required for shipping this product and to set the permit information preferences; please select a country from the drop down below.

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.

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